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5 November 2020 Topological pupil segmentation and point spread function analysis for large aperture imaging systems
Yi-Ting Feng, Jaren Nicholas Ashcraft, James B. Breckinridge, James E. Harvey, Ewan S. Douglas, Heejoo Choi, Charles Lillie, Tony Hull, Dae Wook Kim
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Proceedings Volume 11568, AOPC 2020: Optics Ultra Precision Manufacturing and Testing; 115680I (2020) https://doi.org/10.1117/12.2575809
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China
Abstract
Future large aperture telescopes and high contrast imaging systems will often include segment gaps, structural obscurations, along with outer edges which produce diffraction effects that are disadvantageous to high contrast imaging (e.g., for exoplanet detection) or continuous wavefront control across the optical aperture. We present an optimization strategy for several pupil segment topologies for next-generation telescope concepts. Wave propagation results based on diffraction-limited point spread function analyses using Fraunhofer diffraction theory are presented using the Python-based POPPY simulation tool.
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Yi-Ting Feng, Jaren Nicholas Ashcraft, James B. Breckinridge, James E. Harvey, Ewan S. Douglas, Heejoo Choi, Charles Lillie, Tony Hull, and Dae Wook Kim "Topological pupil segmentation and point spread function analysis for large aperture imaging systems", Proc. SPIE 11568, AOPC 2020: Optics Ultra Precision Manufacturing and Testing, 115680I (5 November 2020); https://doi.org/10.1117/12.2575809
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KEYWORDS
Telescopes
James Webb Space Telescope
Point spread functions
Exoplanets
Mirrors
Stars
Diffraction
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